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    Bacterial Diseases
    Viral Diseases
    Neoplastic Diseases in Poultry
    Parasitic Diseases
    Mycoses and Mycotoxicoses
    Deficiency Diseases
    Other
    Diseases of Poultry
    By Ivan Dinev, DVM, PhD


    MALFORMATIONS

    PERSISTENT RIGHT OVIDUCT. If the regression of the right Mullerian duct, that is embryonally present in female chickens as oviduct, does not occur, a cystic dilatation of this structure is seen, whose size varies from a long cystic formation to a big sac, filled with fluid: a/ functional left oviduct b/ persistent right oviduct PERSISTENT RIGHT OVIDUCT. If the regression of the right Mullerian duct, that is embryonally present in female chickens as oviduct, does not occur, a cystic dilatation of this structure is seen, whose size varies from a long cystic formation to a big sac, filled with fluid: a/ functional left oviduct b/ persistent right oviduct

    551.552.PERSISTENT RIGHT OVIDUCT. If the regression of the right Mullerian duct, that is embryonally present in female chickens as oviduct, does not occur, a cystic dilatation of this structure is seen, whose size varies from a long cystic formation to a big sac, filled with fluid: a/ functional left oviduct b/ persistent right oviduct

    Absense of eyes

    553.Absense of eyes (anophthalmia) and cranial malformations are frequent malformations in newly hatched chickens.

    OPEN BODY CAVITIES. An additional skin formation (pouch) to the left laterocaudal abdominal wall, with part of the abdominal organs found within.

    554.OPEN BODY CAVITIES. An additional skin formation (pouch) to the left laterocaudal abdominal wall, with part of the abdominal organs found within.

    . POLYPODIA. The occurrence of more legs than normal is often seen in broilers. Such birds frequently survive up to the end of the fattening period. . POLYPODIA. The occurrence of more legs than normal is often seen in broilers. Such birds frequently survive up to the end of the fattening period.

    555.556.. POLYPODIA. The occurrence of more legs than normal is often seen in broilers. Such birds frequently survive up to the end of the fattening period.

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